GATE EC 2017: Max Vehicles on Bridge (Trucks, Cars, Speed, Gap) - Q63 Solution

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EC > GATE 2017 SET-1 > Quantitative Aptitude

Trucks (10 m long) and cars (5 m long) go on a single lane bridge. There must be a gap of at least 20 m after each truck and a gap of at least 15 m after each car. Trucks and cars travel at a speed of 36 km/h. If cars and trucks go alternately, what is the maximum number of vehicles that can use the bridge in one hour?

A

1440

B

1200

C

720

D

600

Correct : a

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